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Part: TLV1391
Category:
Analog & Mixed-Signal Processing
-> Comparators
-> General Purpose
-> Single
Description: Single Differential Comparator
Company: Texas Instruments, Inc.
Datasheet: Download TLV1391 datasheet File size : 402 kB
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Datasheet text preview:
TLV1391 SINGLE DIFFERENTIAL COMPARATORS
SLCS128D APRIL 1996 REVISED AUGUST 2002
D D D D D
Low-Voltage and Single-Supply Operation VCC = 2 V to 7 V Common-Mode Voltage Range Includes Ground Fast Response Time . . . 0.7 µs Typ Low Supply Current . . . 80 µA Typ and 150 µA Max Fully Specified at 3-V and 5-V Supply Voltages
DBV PACKAGE (TOP VIEW)
IN VCC/GND IN+
1 2 3
5 4
VCC+ OUT
description/ordering informaton
The TLV1391 is a differential comparator built using a Texas Instruments low-voltage, high-speed bipolar process. These devices have been developed specifically for low-voltage, single-supply applications. Their enhanced performance makes them excellent replacements for the LM393 in the improved 3-V and 5-V system designs. The TLV1391, with its typical supply current of only 80 µA, is ideal for low-power systems. Response time also has been improved to 0.7 µs. ORDERING INFORMATION
TA 0°C to 70°C 40°C to 85°C PACKAGE SOT-23 DBV SOT-23 DBV Tape and reel Tape and reel ORDERABLE PART NUMBER TLV1391CDBVR TLV1391IDBVR TOP-SIDE MARKING VABC
VABI Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package.
symbol (each comparator)
IN+ IN OUT
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Copyright 2002, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters.
POST OFFICE BOX 655303
· DALLAS, TEXAS 75265
1
TLV1391 SINGLE DIFFERENTIAL COMPARATORS
SLCS128D APRIL 1996 REVISED AUGUST 2002
TLV1391 equivalent schematic
VCC
IN+ IN
GND
OUT
COMPONENT COUNT Transistors Resistors Diodes Epi-FET 26 1 4 1
2
POST OFFICE BOX 655303
· DALLAS, TEXAS 75265
TLV1391 SINGLE DIFFERENTIAL COMPARATORS
SLCS128D APRIL 1996 REVISED AUGUST 2002
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage, VCC (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V Differential input voltage, VID (see Note 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±7 V Input voltage range, VI (any input) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.3 V to VCC Output voltage, VO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V Output current, IO (each output) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 mA Duration of short-circuit current to GND (see Note 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Unlimited Package thermal impedance, JA (see Note 4 and 5) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206°C/W Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260°C Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65°C to 150°C
Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. NOTES: 1. All voltage values, except differential voltages, are with respect to the network GND. 2. Differential voltages are at the noninverting input with respect to the inverting input. 3. Short circuits from the outputs to VCC can cause excessive heating and eventual destruction of the chip. 4. Maximum power dissipation is a function of TJ(max), JA, and TA. The maximum allowable power dissipation at any allowable ambient temperature is PD = (TJ(max) TA)/JA. Operating at the absolute maximum TJ of 150°C can impact reliability. 5. The package thermal impedance is calculated in accordance with JESD 51-7.
recommended operating conditions
MIN VCC TA Supply voltage Operating free-air temperature free-air tem TLV1391C TLV1391I 2 0 40 MAX 7 70 85 UNIT V °C
POST OFFICE BOX 655303
· DALLAS, TEXAS 75265
3
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